/* ============================================================
   SERVICES page
   ============================================================ */

.srv {
  padding: 96px 0;
  border-bottom: 1px solid var(--border);
}
.srv-alt { background: var(--bg-1); }
.srv-row {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.srv-row.srv-reverse .srv-vis { order: 2; }
@media (max-width: 980px) {
  .srv-row { grid-template-columns: 1fr; gap: 40px; }
  .srv-row.srv-reverse .srv-vis { order: 0; }
}

.srv-vis {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-1) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px;
  aspect-ratio: 5/4;
  overflow: hidden;
  position: relative;
}
.srv-svg { width: 100%; height: 100%; }
.srv-svg-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  fill: var(--text-mute);
  text-transform: uppercase;
}

.srv-head { animation: gantrySlide 5s ease-in-out infinite alternate; }
@keyframes gantrySlide {
  from { transform: translateX(-20px); }
  to { transform: translateX(20px); }
}
.srv-spin {
  transform-origin: center;
  animation: spin 16s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.srv-num {
  font-size: 11px;
  color: var(--red);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  display: block;
}
.srv-body h2 { margin-bottom: 20px; font-size: clamp(32px, 4vw, 48px); }
.srv-lede { font-size: 17px; line-height: 1.55; color: var(--text-dim); margin-bottom: 32px; }
.srv-lede strong { color: var(--text); font-weight: 500; }

.srv-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.srv-features > div { padding-right: 12px; }
.srv-features .coord {
  display: block;
  color: var(--red);
  margin-bottom: 6px;
}
.srv-features strong {
  display: block;
  font-weight: 500;
  font-size: 15px;
  margin-bottom: 6px;
  color: var(--text);
}
.srv-features p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }
@media (max-width: 560px) {
  .srv-features { grid-template-columns: 1fr; gap: 16px; }
}

.srv-spec {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  font-family: var(--mono);
  font-size: 11px;
}
.srv-spec > div {
  padding: 8px 14px 8px 0;
  border-right: 1px solid var(--border);
}
.srv-spec > div:last-child { border-right: 0; padding-right: 0; }
.srv-spec > div:not(:first-child) { padding-left: 14px; }
.srv-spec .coord { display: block; color: var(--text-mute); margin-bottom: 4px; }
.srv-spec strong { color: var(--text); font-weight: 400; font-size: 12px; }
@media (max-width: 560px) {
  .srv-spec { grid-template-columns: 1fr 1fr; gap: 12px 0; }
  .srv-spec > div:nth-child(2) { border-right: 0; }
  .srv-spec > div:nth-child(3) { padding-left: 0; }
}

/* ============================================================ Materials selector */

.materials { background: var(--bg-1); padding: 96px 0; border-bottom: 1px solid var(--border); }

.mat-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 880px) {
  .mat-grid { grid-template-columns: 1fr; }
}

.mat-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 8px;
  position: sticky;
  top: 84px;
}
.mat-item {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 14px;
  transition: background .15s;
  width: 100%;
  text-align: left;
}
.mat-item:hover { background: var(--surface-2); }
.mat-item.active { background: var(--surface-2); }
.mat-item.active .mat-name { color: var(--text); }
.mat-item.active::after { content: "›"; color: var(--red); font-size: 18px; }
.mat-swatch {
  width: 14px; height: 14px;
  border-radius: 3px;
  border: 1px solid var(--border-strong);
}
.mat-name { color: var(--text-dim); font-weight: 500; }
.mat-code {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}

.mat-detail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 40px;
  min-height: 480px;
}
.mat-detail h3 {
  font-size: 28px;
  margin-bottom: 6px;
}
.mat-detail .mat-tagline {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--red);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.mat-detail .mat-desc { font-size: 15px; line-height: 1.6; margin-bottom: 28px; max-width: 580px; }

.mat-props {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.mat-prop {
  padding: 12px 16px 12px 0;
}
.mat-prop:nth-child(odd) { border-right: 1px solid var(--border); }
.mat-prop:nth-child(even) { padding-left: 16px; }
.mat-prop-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}
.mat-prop-bar {
  height: 4px;
  background: var(--surface-3);
  border-radius: 100px;
  overflow: hidden;
  margin-top: 8px;
}
.mat-prop-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--red-deep), var(--red));
  box-shadow: 0 0 6px var(--red-glow);
  border-radius: 100px;
  transition: width .4s ease;
}
.mat-prop-val {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  display: flex;
  justify-content: space-between;
}

.mat-uses {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.mat-uses h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 12px;
  font-weight: 500;
}
.mat-uses ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.mat-uses li {
  font-size: 14px;
  color: var(--text-dim);
  padding-left: 18px;
  position: relative;
}
.mat-uses .good li::before {
  content: "+"; color: var(--ok); position: absolute; left: 0; font-family: var(--mono);
}
.mat-uses .bad li::before {
  content: "−"; color: var(--text-mute); position: absolute; left: 0; font-family: var(--mono);
}

@media (max-width: 560px) {
  .mat-detail { padding: 24px; }
  .mat-props, .mat-uses { grid-template-columns: 1fr; }
  .mat-prop:nth-child(odd) { border-right: 0; }
  .mat-prop:nth-child(even) { padding-left: 0; }
}

/* ============================================================ Finishes */

.finishes { padding: 96px 0; }
.fin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 880px) { .fin-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .fin-grid { grid-template-columns: 1fr; } }
.fin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px;
  transition: border-color .25s, background .25s;
}
.fin-card:hover {
  border-color: var(--red-deep);
  background: var(--surface-2);
}
.fin-card:hover::before, .fin-card:hover::after,
.fin-card:hover .bk-tr, .fin-card:hover .bk-bl { border-color: var(--red); opacity: 1; }
.fin-num {
  font-size: 11px;
  color: var(--red);
  letter-spacing: 0.18em;
  margin-bottom: 24px;
  display: block;
}
.fin-card h3 { margin-bottom: 10px; font-size: 19px; }
.fin-card p { font-size: 14px; color: var(--text-dim); line-height: 1.55; }